X Capacitor Discharge ICs

June 1, 2011

Power Integrations (San Jose, CA) has launched CAPZero™, a family of two-terminal, automatic X capacitor discharge ICs that eliminate power losses while allowing power supplies to comply with safety standards. When AC voltage is applied, CAPZero blocks current flow in the X capacitor safety discharge resistors, reducing the power wasted in these components to zero at 230 VAC. When the AC voltage is disconnected, it automatically and safely discharges the X capacitor by closing the circuit through the bleed resistors and directing the energy away from the exposed AC plug. It is offered with 825V or 1000V MOSFETs in an SO-8 package.

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